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v3.24.0.1

SHORT-TERM AND LONG-TERM DEBT - Narrative (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 USD ($) | Jan. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Feb. 28, 2023 USD ($)
Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Book equity ratio |  |  | 0.20 |
Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Book equity ratio |  |  | 1 |
$330 Million Sale and Leaseback |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Sale and leaseback agreement, lease period |  | 10 years |  |
Sale and leaseback agreement, optional extension of lease period |  | 2 years |  |
Basis spread on variable rate (percent) |  | 21500.00% |  |
$330 Million Sale and Leaseback | Flex Amber |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Sale and leaseback agreement, consideration transferred |  | $ 170,000,000 |  |
$330 Million Sale and Leaseback | Flex Artemis |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Sale and leaseback agreement, consideration transferred |  | 160,000,000 |  |
Flex Amber Sale and Leaseback |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of unsecured debt |  | $ 136,900,000 |  |
Flex Rainbow $180 Million Sale and Leaseback |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Sale and leaseback agreement, lease period | 9 years 10 months 24 days |  |  |
U.S. dollar denominated floating rate debt | $330 Million Sale and Leaseback |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Gross price |  |  | $ 330,000,000 | $ 330,000,000
U.S. dollar denominated floating rate debt | Flex Rainbow $180 Million Sale and Leaseback |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Gross price | $ 180,000,000 |  |  |
Loan covenant |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount |  |  | $ 25,000,000 |
Term |  |  | 6 months |
Loan covenant (in percent) |  |  | 5.00% |
$629 Million Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | $ 629,000,000 |  |  | 629,000,000
$629 Million Facility | U.S. dollar denominated floating rate debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 629,000,000 |
$290 million facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate (percent) | 18500.00% |  |  |
Term | 6 years |  |  |
Age adjusted term | 22 years |  |  |
$290 million facility | U.S. dollar denominated revolving credit facilities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | $ 290,000,000 |  | 290,000,000 |
$375 million sale and leaseback |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 375,000,000 | $ 375,000,000
$140 million term tranche under the $290 Million Facility | U.S. dollar denominated floating rate debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount | 140,000,000 |  |  |
$150 million revolving tranche under the $290 Million Facility | U.S. dollar denominated revolving credit facilities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Face amount | $ 150,000,000 |  |  |

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